Hemibagrus fortis is a species of bagrid catfish found in the Rajang basin in Sarawak, Malaysia. This catfish share the common name ikan Baung or 白须公 with another similar species Hemibagrus nemurus.
References
Parenti, L.R. and K.K.P. Lim, 2005. Fishes of the Rajang basin, Sarawak, Malaysia. Raffles Bull. Zool. Supplement (13):175-208.